package org.apache.maven.surefire.junitcore;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.maven.plugin.surefire.StartupReportConfiguration;
  import org.apache.maven.plugin.surefire.extensions.SurefireConsoleOutputReporter;
  import org.apache.maven.plugin.surefire.extensions.SurefireStatelessReporter;
  import org.apache.maven.plugin.surefire.extensions.SurefireStatelessTestsetInfoReporter;
  import org.apache.maven.plugin.surefire.log.api.NullConsoleLogger;
  import org.apache.maven.plugin.surefire.report.DefaultReporterFactory;
  import org.apache.maven.surefire.api.report.ConsoleOutputReceiver;
  import org.apache.maven.surefire.api.report.DefaultDirectConsoleReporter;
  import org.apache.maven.surefire.api.report.ReporterFactory;
  import org.apache.maven.surefire.api.report.RunListener;
  import org.apache.maven.surefire.api.testset.TestSetFailedException;
  import org.junit.runner.Computer;
  import org.junit.runner.JUnitCore;
  import org.junit.runner.Result;
  
  import java.io.File;
  import java.util.HashMap;
  import java.util.concurrent.ExecutionException;
  
  import static org.apache.maven.surefire.junitcore.ConcurrentRunListener.createInstance;
  import static org.apache.maven.surefire.api.report.ConsoleOutputCapture.startCapture;
  
  /**
   * @author Kristian Rosenvold
   */
  public class JUnitCoreTester
  {
      private final Computer computer;
  
      public JUnitCoreTester()
      {
          this( new Computer() );
      }
  
      public JUnitCoreTester( Computer computer )
      {
          this.computer = computer;
      }
  
      public Result run( boolean parallelClasses, Class<?>... classes )
          throws TestSetFailedException, ExecutionException
      {
          ReporterFactory reporterManagerFactory = defaultNoXml();
  
          try
          {
              final HashMap<String, TestSet> classMethodCounts = new HashMap<>();
              RunListener reporter = createInstance( classMethodCounts, reporterManagerFactory, parallelClasses, false,
                                                           new DefaultDirectConsoleReporter( System.out ) );
              startCapture( (ConsoleOutputReceiver) reporter );
  
              JUnitCoreRunListener runListener = new JUnitCoreRunListener( reporter, classMethodCounts );
              JUnitCore junitCore = new JUnitCore();
  
              junitCore.addListener( runListener );
              final Result run = junitCore.run( computer, classes );
              junitCore.removeListener( runListener );
              return run;
          }
          finally
          {
              reporterManagerFactory.close();
              if ( computer instanceof ConfigurableParallelComputer )
              {
                  ( (ConfigurableParallelComputer) computer ).close();
              }
          }
      }
  
      /**
       * For testing purposes only.
       *
       * @return DefaultReporterFactory for testing purposes
       */
      public static DefaultReporterFactory defaultNoXml()
      {
          return new DefaultReporterFactory( defaultStartupReportConfiguration(), new NullConsoleLogger() );
      }
 
     /**
      * For testing purposes only.
      *
      * @return StartupReportConfiguration fo testing purposes
      */
     private static StartupReportConfiguration defaultStartupReportConfiguration()
     {
         File target = new File( "./target" );
         File statisticsFile = new File( target, "TESTHASHxXML" );
         return new StartupReportConfiguration( true, true, "PLAIN", false, target, false, null, statisticsFile,
                 false, 0, null, null, false, new SurefireStatelessReporter(), new SurefireConsoleOutputReporter(),
                 new SurefireStatelessTestsetInfoReporter() );
     }
 }